Detachable sash



0 J. F. KUPEC DETAGHABLE sAsH Oct. 8, 1935.

2 Sheets-Sheet 1 Filed Dec. 1'7, 1954 J. F, KUPEC DETAGHABLE sAsH oct.8, 1935.

Filed Dec. 17, 1954 2 Sheets-Sheet 2 y y m A wr?, v

Bnventor Cil Patented Oct. 8, 1935 UNITED STATES PATENT OFFICE 2 Claims.

This invention relates to an improvement in windows and moreparticularly to the mounting of window sash in the window casings andcontrol of the sash.

Since storm sash and screen sash are usually mounted interchangeably inWindow casings, the changing depending upon cold or hot seasons, it isan important feature to provide such an arrangement of parts that thesechanges may be conveniently made.

By use of the herein described invention the mounting of sash in windowcasings or removal therefrom may bev readily and safely accomplishedfrom the inside of a building, no outside work being required, thisfeature being of great advantage for use in tall buildings since thework may be performed speedily, conveniently and accidental injuries maybe avoided.

The invention consists of the new and useful lconstruction, combinationand arrangement of parts as described herein and claimed, and as shownin the drawings, it being understood that changes may be made in form,size, proportion of parts and minor details, said changes being withinthe scope of the invention as claimed.

In the accompanying drawings, Fig. 1 is a broken away detail viewshowing the inner side of a detachable storm or screen sash providedwith an arcuate guide-plate.

Fig. 2 is a detail View showing a roller bracket attached to theblind-stop of a window casing, the roller being in section.

Fig. 3 shows the outer side of a window casing, and windows therein.

Fig. 4 shows a window casing and storm sash in longitudinal section toillustrate the operation of hoisting the sash into operative positionfrom the inner part of a building.

Fig. 5 is an enlarged detail relating to Fig. 4, showing the upper partof the sash in its inclined position, the fastening devices being insection.

Fig. 6 is a View in detail relating to Fig. 5, showing a socket-platemounted on the vertical blind-stop of the window casing.

Fig. 7 is a View of the socket-plate and blindstop taken at right-anglesto the View shown in Fig. 6.

Fig. 8 is a detail showing the lower part of a storm sash in section toclearly show a catchmember and a second catch-member mounted thereon.

Fig. 9 is a plan view showing a part of the base of a window casingprovided with a hinge and a latch pvotally mounted on the hinge,

' described in connection with the base I0 and blind-stop I I of awindow casing I2, and a detachable storm sash I3, and pair of windows m.

While a detachable storm sash is shown in the drawings, it will beunderstood that the invention includes a detachable screen sash, the 10parts to be described for the control and mounting being the same sothat one kind of sash may be substituted for the other convenientlywhenever required. l

In order that the objects first mentioned may b`e attained I provide apair of downwardly projecting, rectilinear socket-plates I4, these beingsecured upon the inner sides of the casing near the top thereof, saidsockets preferably being 2 mounted upon theblind-stops II of the casing.

Each socket-plate I4 is provided with a. slot I5 and includes abuffer-flange a disposed at right-angles to its base.

Numerals I6 indicate a pair of opposed, up- 2 wardly projecting, arcuateguide-plates which are secured to the upper end of the detachable sashI3, each arcuate guide-plate being provided with a slot I'I.

Numeral I8 (Fig. 2) indicates la roller-bracket 30 which is secured tothe upper part of the casing upon the blind-stop II, said roller-bracketbeing used for supporting a hoisting-strand I9 for use when the sash islifted to operative position or lowered therefrom.

Numeral 20 indicates a catch-member provided with a horizontal,apertured projection b, best shown in Figs. 8 and 9 of the drawings andat 2I is indicated a second catch-member, these parts being mounted onthe lower end of the 4 sash upon the inner side thereof.

As thus described the hoisting of a window sash into operative positionfrom Within a building may be conveniently accomplished. The strand I9is secured to the apertured projection 4 b at the lower end of the sashand engages in a staple 22 at top of the sash, and the strand engagesthe roller of the bracket I8 so that the sash may be elevated or loweredby manual use of said strand.

. 50 When moved through the casing to be fitted engage in the aperturesor slots I5 and Il of the 55 respective sockets and guide-plates thesash may be supported by the casing, and it is obvious that theguide-plates I6 will readily slide downward -from the sockets forremoval of the sash after the keepers 23 have been removed. Y

The operation of parts last mentioned will be readily understood by aninspection of Fig. 5 of the drawings, and it will be seen that onaccount of the arcuate form of the guide-plate I6 the storm sash I3 maybe swung outwardly of the casing, this being of advantage to provideVentilation of a buil-ding.

Since these members I6 are of arcuate form they may swing around therectilinear socketplates while the sash has a swinging movement toclosed or open positions, the slots which are traversed by the keepers23 also permitting the swinging movements of the window sash.

Numeral 24 (Figs. 3, 9) indicates a hinge which is mounted on the baseI!! of the window casing, and pivotally mounted at 25 upon one of thewings of the hinge 24 is a latch 25 having a terminal part bent atright-angles to provide a second latch-member 2 having a notch 28opening on its edge.

After the sash has been swung to closed position within the casing asshown in Fig. 9, the latch 26 may be swung downwardly into the catch forlocking the sash in closed position, the

latch 26, for this purpose swinging from its pivot on a wing of thehinge 24.

In order to maintain a storm sash I3 in open position the latch 26 isalso used and may be swung outwardly to the position shown in brokenlines in Fig. 9, the notch 23 of the second latch 21 of said latch 2Ereceiving the second catch 2I of the sash.

The latch 25 may have swinging movements in a plane parallel with thelongitudinal axis of the hinge for engaging the catch 20, and may beswung at right-angles to said axis of said hinge outwardly of the windowcasing to; permit said notch 28 to receive the second catch 2| of thesash, said latch 26 having two movements, one being parallel with thesash I3, and the other movement being transverse to said sash to causethe second latch 21 to engage the second catch 2|.

Since screen frames are generally tted into the casing to remain instationary position the use of keepers 23 will not be required, but Willof course be required in all instances when the sash is disposed ininclined position.

I claim as my invention,-

l. In a hinge for use with a sash and a stationary frame, a slottedsocket-plate adapted to be secured to the frame, a guide-plate adaptedto be secured' to the sash and having a slotted arcuate part, said sashbeing adapted to be tted into the frame with the slot of said arcuatepart in register with the slot of the socket-plate, a pivot disposed atapproximately right-angles to the face of the guide-plate engaging insaid slots and adapted to be mounted in the sash for supporting andpermitting a swinging movement of said sash relative to the frame.

2. In a hinge for use with a sash and a stationary frame, a rectilinear,vertically disposed socket-plate adapted to be secured to the frame, aguide-plate disposed parallel with the sash and adapted tc be securedthereto and having a slotted arcuate terminal part, said sash beingadapted to be fitted into the frame with the slot of said arcuateterminal part in register with the slot of the socket-plate, a pivotdisposed in said slots and adapted to be secured to the sash forsupporting t said sash, whereby the arcuate part of the guideplate maymove around the lower end of the socket-plate to permit a swingingmovement of said sash relative to the frame.

JOSEPH F. KUPEC.

